Version:  2.0.40 2.2.26 2.4.37 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1

Linux/sound/pci/riptide/riptide.c

  1 /*
  2  *   Driver for the Conexant Riptide Soundchip
  3  *
  4  *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
  5  *
  6  *   This program is free software; you can redistribute it and/or modify
  7  *   it under the terms of the GNU General Public License as published by
  8  *   the Free Software Foundation; either version 2 of the License, or
  9  *   (at your option) any later version.
 10  *
 11  *   This program is distributed in the hope that it will be useful,
 12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  *   GNU General Public License for more details.
 15  *
 16  *   You should have received a copy of the GNU General Public License
 17  *   along with this program; if not, write to the Free Software
 18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 19  *
 20  */
 21 /*
 22   History:
 23    - 02/15/2004 first release
 24    
 25   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
 26   credits from the original files:
 27   
 28   MODULE NAME:        cnxt_rt.h                       
 29   AUTHOR:             K. Lazarev  (Transcribed by KNL)
 30   HISTORY:         Major Revision               Date        By
 31             -----------------------------     --------     -----
 32             Created                           02/1/2000     KNL
 33 
 34   MODULE NAME:     int_mdl.c                       
 35   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
 36   HISTORY:         Major Revision               Date        By
 37             -----------------------------     --------     -----
 38             Created                           10/01/99      KNL
 39             
 40   MODULE NAME:        riptide.h                       
 41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
 42   HISTORY:         Major Revision               Date        By
 43             -----------------------------     --------     -----
 44             Created                           10/16/97      OLD
 45 
 46   MODULE NAME:        Rp_Cmdif.cpp                       
 47   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
 48                       K. Lazarev    (Transcribed by KNL)
 49   HISTORY:         Major Revision               Date        By
 50             -----------------------------     --------     -----
 51             Adopted from NT4 driver            6/22/99      OLD
 52             Ported to Linux                    9/01/99      KNL
 53 
 54   MODULE NAME:        rt_hw.c                       
 55   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
 56                       C. Lazarev    (Transcribed by CNL)
 57   HISTORY:         Major Revision               Date        By
 58             -----------------------------     --------     -----
 59             Created                           11/18/97      OLD
 60             Hardware functions for RipTide    11/24/97      CNL
 61             (ES1) are coded
 62             Hardware functions for RipTide    12/24/97      CNL
 63             (A0) are coded
 64             Hardware functions for RipTide    03/20/98      CNL
 65             (A1) are coded
 66             Boot loader is included           05/07/98      CNL
 67             Redesigned for WDM                07/27/98      CNL
 68             Redesigned for Linux              09/01/99      CNL
 69 
 70   MODULE NAME:        rt_hw.h
 71   AUTHOR:             C. Lazarev    (Transcribed by CNL)
 72   HISTORY:         Major Revision               Date        By
 73             -----------------------------     --------     -----
 74             Created                           11/18/97      CNL
 75 
 76   MODULE NAME:     rt_mdl.c                       
 77   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
 78   HISTORY:         Major Revision               Date        By
 79             -----------------------------     --------     -----
 80             Created                           10/01/99      KNL
 81 
 82   MODULE NAME:        mixer.h                        
 83   AUTHOR:             K. Kenney
 84   HISTORY:         Major Revision                   Date          By
 85             -----------------------------          --------     -----
 86             Created from MS W95 Sample             11/28/95      KRS
 87             RipTide                                10/15/97      KRS
 88             Adopted for Windows NT driver          01/20/98      CNL
 89 */
 90 
 91 #include <linux/delay.h>
 92 #include <linux/init.h>
 93 #include <linux/interrupt.h>
 94 #include <linux/pci.h>
 95 #include <linux/slab.h>
 96 #include <linux/wait.h>
 97 #include <linux/gameport.h>
 98 #include <linux/device.h>
 99 #include <linux/firmware.h>
100 #include <linux/kernel.h>
101 #include <linux/module.h>
102 #include <linux/io.h>
103 #include <sound/core.h>
104 #include <sound/info.h>
105 #include <sound/control.h>
106 #include <sound/pcm.h>
107 #include <sound/pcm_params.h>
108 #include <sound/ac97_codec.h>
109 #include <sound/mpu401.h>
110 #include <sound/opl3.h>
111 #include <sound/initval.h>
112 
113 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
114 #define SUPPORT_JOYSTICK 1
115 #endif
116 
117 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
118 MODULE_DESCRIPTION("riptide");
119 MODULE_LICENSE("GPL");
120 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
121 MODULE_FIRMWARE("riptide.hex");
122 
123 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
124 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
125 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
126 
127 #ifdef SUPPORT_JOYSTICK
128 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
129 #endif
130 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
131 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
132 
133 module_param_array(index, int, NULL, 0444);
134 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
135 module_param_array(id, charp, NULL, 0444);
136 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
137 module_param_array(enable, bool, NULL, 0444);
138 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
139 #ifdef SUPPORT_JOYSTICK
140 module_param_array(joystick_port, int, NULL, 0444);
141 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
142 #endif
143 module_param_array(mpu_port, int, NULL, 0444);
144 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
145 module_param_array(opl3_port, int, NULL, 0444);
146 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
147 
148 /*
149  */
150 
151 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
152 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
153 
154 #define PCI_EXT_CapId       0x40
155 #define PCI_EXT_NextCapPrt  0x41
156 #define PCI_EXT_PWMC        0x42
157 #define PCI_EXT_PWSCR       0x44
158 #define PCI_EXT_Data00      0x46
159 #define PCI_EXT_PMSCR_BSE   0x47
160 #define PCI_EXT_SB_Base     0x48
161 #define PCI_EXT_FM_Base     0x4a
162 #define PCI_EXT_MPU_Base    0x4C
163 #define PCI_EXT_Game_Base   0x4E
164 #define PCI_EXT_Legacy_Mask 0x50
165 #define PCI_EXT_AsicRev     0x52
166 #define PCI_EXT_Reserved3   0x53
167 
168 #define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
169 #define LEGACY_ENABLE_SB       0x4000
170 #define LEGACY_ENABLE_FM       0x2000
171 #define LEGACY_ENABLE_MPU_INT  0x1000
172 #define LEGACY_ENABLE_MPU      0x0800
173 #define LEGACY_ENABLE_GAMEPORT 0x0400
174 
175 #define MAX_WRITE_RETRY  10     /* cmd interface limits */
176 #define MAX_ERROR_COUNT  10
177 #define CMDIF_TIMEOUT    50000
178 #define RESET_TRIES      5
179 
180 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
181 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
182 
183 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
184 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
185 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
186 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
187 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
188 
189 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
190 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
191 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
192 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
193 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
194 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
195 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
196 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
197 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
198 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
199 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
200 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
201 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
202 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
203 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
204 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
205 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
206 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
207 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
208 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
209 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
210 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
211 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
212 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
213 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
214 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
215 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
216 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
217 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
218 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
219 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
220 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
221 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
222 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
223 
224 #define RESP 0x00000001         /* command flags */
225 #define PARM 0x00000002
226 #define CMDA 0x00000004
227 #define CMDB 0x00000008
228 #define NILL 0x00000000
229 
230 #define LONG0(a)   ((u32)a)     /* shifts and masks */
231 #define BYTE0(a)   (LONG0(a)&0xff)
232 #define BYTE1(a)   (BYTE0(a)<<8)
233 #define BYTE2(a)   (BYTE0(a)<<16)
234 #define BYTE3(a)   (BYTE0(a)<<24)
235 #define WORD0(a)   (LONG0(a)&0xffff)
236 #define WORD1(a)   (WORD0(a)<<8)
237 #define WORD2(a)   (WORD0(a)<<16)
238 #define TRINIB0(a) (LONG0(a)&0xffffff)
239 #define TRINIB1(a) (TRINIB0(a)<<8)
240 
241 #define RET(a)     ((union cmdret *)(a))
242 
243 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
244 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
245 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
246 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
247 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
248 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
249 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
250 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
251 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
252 #define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
253 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
254 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
255 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
256 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
257 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
258 #define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))   /* set sample format at mixer */
259 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
260 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
261 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
262 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
263 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
264 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
265 #define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))   /* select paths for internal connections */
266 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
267 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
268 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
269 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
270 #define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))      /* set digital mixer */
271 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
272 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
273 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
274 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
275 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
276 #define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
277 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
278 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
279 
280 #define EOB_STATUS         0x80000000   /* status flags : block boundary */
281 #define EOS_STATUS         0x40000000   /*              : stoppped */
282 #define EOC_STATUS         0x20000000   /*              : stream end */
283 #define ERR_STATUS         0x10000000
284 #define EMPTY_STATUS       0x08000000
285 
286 #define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
287 #define IEOS_ENABLE        0x2
288 #define IEOC_ENABLE        0x4
289 #define RDONCE             0x8
290 #define DESC_MAX_MASK      0xff
291 
292 #define ST_PLAY  0x1            /* stream states */
293 #define ST_STOP  0x2
294 #define ST_PAUSE 0x4
295 
296 #define I2S_INTDEC     3        /* config for I2S link */
297 #define I2S_MERGER     0
298 #define I2S_SPLITTER   0
299 #define I2S_MIXER      7
300 #define I2S_RATE       44100
301 
302 #define MODEM_INTDEC   4        /* config for modem link */
303 #define MODEM_MERGER   3
304 #define MODEM_SPLITTER 0
305 #define MODEM_MIXER    11
306 
307 #define FM_INTDEC      3        /* config for FM/OPL3 link */
308 #define FM_MERGER      0
309 #define FM_SPLITTER    0
310 #define FM_MIXER       9
311 
312 #define SPLIT_PATH  0x80        /* path splitting flag */
313 
314 enum FIRMWARE {
315         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
316         EXT_LIN_ADDR_REC,
317 };
318 
319 enum CMDS {
320         GETV = 0x00, GETC, GUNS, SCID, RMEM =
321             0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
322             0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
323             0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
324             0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
325             0x70, ARM_SETDPLL = 0x72,
326 };
327 
328 enum E1SOURCE {
329         ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
330         ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
331         ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
332         ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
333         INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
334         INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
335         INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
336         DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
337         ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
338         DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
339         GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
340         SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
341         SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
342         MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
343 };
344 
345 enum E2SINK {
346         LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
347         LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
348         INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
349         INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
350         DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
351         PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
352         DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
353         DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
354         DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
355         DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
356         GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
357         SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
358         MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
359         MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
360 };
361 
362 enum LBUS_SINK {
363         LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
364         LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
365         LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
366 };
367 
368 enum RT_CHANNEL_IDS {
369         M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
370         DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
371         M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
372         CHANNEL_ID_COUNTER
373 };
374 
375 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
376 
377 struct lbuspath {
378         unsigned char *noconv;
379         unsigned char *stereo;
380         unsigned char *mono;
381 };
382 
383 struct cmdport {
384         u32 data1;              /* cmd,param */
385         u32 data2;              /* param */
386         u32 stat;               /* status */
387         u32 pad[5];
388 };
389 
390 struct riptideport {
391         u32 audio_control;      /* status registers */
392         u32 audio_status;
393         u32 pad[2];
394         struct cmdport port[2]; /* command ports */
395 };
396 
397 struct cmdif {
398         struct riptideport *hwport;
399         spinlock_t lock;
400         unsigned int cmdcnt;    /* cmd statistics */
401         unsigned int cmdtime;
402         unsigned int cmdtimemax;
403         unsigned int cmdtimemin;
404         unsigned int errcnt;
405         int is_reset;
406 };
407 
408 struct riptide_firmware {
409         u16 ASIC;
410         u16 CODEC;
411         u16 AUXDSP;
412         u16 PROG;
413 };
414 
415 union cmdret {
416         u8 retbytes[8];
417         u16 retwords[4];
418         u32 retlongs[2];
419 };
420 
421 union firmware_version {
422         union cmdret ret;
423         struct riptide_firmware firmware;
424 };
425 
426 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
427 
428 #define PLAYBACK_SUBSTREAMS 3
429 struct snd_riptide {
430         struct snd_card *card;
431         struct pci_dev *pci;
432         const struct firmware *fw_entry;
433 
434         struct cmdif *cif;
435 
436         struct snd_pcm *pcm;
437         struct snd_pcm *pcm_i2s;
438         struct snd_rawmidi *rmidi;
439         struct snd_opl3 *opl3;
440         struct snd_ac97 *ac97;
441         struct snd_ac97_bus *ac97_bus;
442 
443         struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
444         struct snd_pcm_substream *capture_substream;
445 
446         int openstreams;
447 
448         int irq;
449         unsigned long port;
450         unsigned short mpuaddr;
451         unsigned short opladdr;
452 #ifdef SUPPORT_JOYSTICK
453         unsigned short gameaddr;
454 #endif
455         struct resource *res_port;
456 
457         unsigned short device_id;
458 
459         union firmware_version firmware;
460 
461         spinlock_t lock;
462         struct tasklet_struct riptide_tq;
463         struct snd_info_entry *proc_entry;
464 
465         unsigned long received_irqs;
466         unsigned long handled_irqs;
467 #ifdef CONFIG_PM_SLEEP
468         int in_suspend;
469 #endif
470 };
471 
472 struct sgd {                    /* scatter gather desriptor */
473         u32 dwNextLink;
474         u32 dwSegPtrPhys;
475         u32 dwSegLen;
476         u32 dwStat_Ctl;
477 };
478 
479 struct pcmhw {                  /* pcm descriptor */
480         struct lbuspath paths;
481         unsigned char *lbuspath;
482         unsigned char source;
483         unsigned char intdec[2];
484         unsigned char mixer;
485         unsigned char id;
486         unsigned char state;
487         unsigned int rate;
488         unsigned int channels;
489         snd_pcm_format_t format;
490         struct snd_dma_buffer sgdlist;
491         struct sgd *sgdbuf;
492         unsigned int size;
493         unsigned int pages;
494         unsigned int oldpos;
495         unsigned int pointer;
496 };
497 
498 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
499 
500 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
501                    union cmdret *ret);
502 static int getsourcesink(struct cmdif *cif, unsigned char source,
503                          unsigned char sink, unsigned char *a,
504                          unsigned char *b);
505 static int snd_riptide_initialize(struct snd_riptide *chip);
506 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
507 
508 /*
509  */
510 
511 static const struct pci_device_id snd_riptide_ids[] = {
512         { PCI_DEVICE(0x127a, 0x4310) },
513         { PCI_DEVICE(0x127a, 0x4320) },
514         { PCI_DEVICE(0x127a, 0x4330) },
515         { PCI_DEVICE(0x127a, 0x4340) },
516         {0,},
517 };
518 
519 #ifdef SUPPORT_JOYSTICK
520 static const struct pci_device_id snd_riptide_joystick_ids[] = {
521         { PCI_DEVICE(0x127a, 0x4312) },
522         { PCI_DEVICE(0x127a, 0x4322) },
523         { PCI_DEVICE(0x127a, 0x4332) },
524         { PCI_DEVICE(0x127a, 0x4342) },
525         {0,},
526 };
527 #endif
528 
529 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
530 
531 /*
532  */
533 
534 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
535         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
536                                                                      LS_NONE2},
537         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
538                                                                      LS_NONE2},
539         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
540         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
541         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
542         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
543                                               LS_SRC_INTERPOLATORM},
544         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
545                                               LS_SRC_INTERPOLATORM},
546         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
547                                               LS_SRC_INTERPOLATORM},
548         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
549         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
550         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
551                                                                 LS_NONE2},
552         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
553         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
554         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
555         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
556         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
557         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
558         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
559         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
560                                                   LS_MIXER_GAIN_FUNCTION},
561         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
562                                                   LS_MIXER_GAIN_FUNCTION},
563         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
564         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
565         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
566         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
567         {MERGER1_OUT, LS_SRC_MERGER},
568         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
569         {MERGER2_OUT, LS_SRC_MERGER},
570         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
571                                                                      LS_NONE2},
572 };
573 
574 static unsigned char lbus_play_opl3[] = {
575         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
576 };
577 static unsigned char lbus_play_modem[] = {
578         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
579 };
580 static unsigned char lbus_play_i2s[] = {
581         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
582 };
583 static unsigned char lbus_play_out[] = {
584         PDAC2ACLNK, 0xff
585 };
586 static unsigned char lbus_play_outhp[] = {
587         HNDSPK2ACLNK, 0xff
588 };
589 static unsigned char lbus_play_noconv1[] = {
590         DIGITAL_MIXER_IN0, 0xff
591 };
592 static unsigned char lbus_play_stereo1[] = {
593         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
594 };
595 static unsigned char lbus_play_mono1[] = {
596         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
597 };
598 static unsigned char lbus_play_noconv2[] = {
599         DIGITAL_MIXER_IN1, 0xff
600 };
601 static unsigned char lbus_play_stereo2[] = {
602         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
603 };
604 static unsigned char lbus_play_mono2[] = {
605         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
606 };
607 static unsigned char lbus_play_noconv3[] = {
608         DIGITAL_MIXER_IN2, 0xff
609 };
610 static unsigned char lbus_play_stereo3[] = {
611         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
612 };
613 static unsigned char lbus_play_mono3[] = {
614         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
615 };
616 static unsigned char lbus_rec_noconv1[] = {
617         LBUS2ARM_FIFO5, 0xff
618 };
619 static unsigned char lbus_rec_stereo1[] = {
620         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
621 };
622 static unsigned char lbus_rec_mono1[] = {
623         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
624 };
625 
626 static unsigned char play_ids[] = { 4, 1, 2, };
627 static unsigned char play_sources[] = {
628         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
629 };
630 static struct lbuspath lbus_play_paths[] = {
631         {
632          .noconv = lbus_play_noconv1,
633          .stereo = lbus_play_stereo1,
634          .mono = lbus_play_mono1,
635          },
636         {
637          .noconv = lbus_play_noconv2,
638          .stereo = lbus_play_stereo2,
639          .mono = lbus_play_mono2,
640          },
641         {
642          .noconv = lbus_play_noconv3,
643          .stereo = lbus_play_stereo3,
644          .mono = lbus_play_mono3,
645          },
646 };
647 static struct lbuspath lbus_rec_path = {
648         .noconv = lbus_rec_noconv1,
649         .stereo = lbus_rec_stereo1,
650         .mono = lbus_rec_mono1,
651 };
652 
653 #define FIRMWARE_VERSIONS 1
654 static union firmware_version firmware_versions[] = {
655         {
656                 .firmware = {
657                         .ASIC = 3,
658                         .CODEC = 2,
659                         .AUXDSP = 3,
660                         .PROG = 773,
661                 },
662         },
663 };
664 
665 static u32 atoh(const unsigned char *in, unsigned int len)
666 {
667         u32 sum = 0;
668         unsigned int mult = 1;
669         unsigned char c;
670 
671         while (len) {
672                 int value;
673 
674                 c = in[len - 1];
675                 value = hex_to_bin(c);
676                 if (value >= 0)
677                         sum += mult * value;
678                 mult *= 16;
679                 --len;
680         }
681         return sum;
682 }
683 
684 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
685 {
686         u32 addr;
687         u32 data;
688         u32 i;
689         const unsigned char *p;
690 
691         i = atoh(&in[1], 2);
692         addr = offset + atoh(&in[3], 4);
693         if (SEND_SMEM(cif, 0, addr) != 0)
694                 return -EACCES;
695         p = in + 9;
696         while (i) {
697                 data = atoh(p, 8);
698                 if (SEND_WMEM(cif, 2,
699                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
700                                                             >> 4)))
701                         return -EACCES;
702                 i -= 4;
703                 p += 8;
704         }
705         return 0;
706 }
707 
708 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
709                         unsigned int size)
710 {
711         const unsigned char *in;
712         u32 laddr, saddr, t, val;
713         int err = 0;
714 
715         laddr = saddr = 0;
716         while (size > 0 && err == 0) {
717                 in = img;
718                 if (in[0] == ':') {
719                         t = atoh(&in[7], 2);
720                         switch (t) {
721                         case DATA_REC:
722                                 err = senddata(cif, in, laddr + saddr);
723                                 break;
724                         case EXT_SEG_ADDR_REC:
725                                 saddr = atoh(&in[9], 4) << 4;
726                                 break;
727                         case EXT_LIN_ADDR_REC:
728                                 laddr = atoh(&in[9], 4) << 16;
729                                 break;
730                         case EXT_GOTO_CMD_REC:
731                                 val = atoh(&in[9], 8);
732                                 if (SEND_GOTO(cif, val) != 0)
733                                         err = -EACCES;
734                                 break;
735                         case EXT_END_OF_FILE:
736                                 size = 0;
737                                 break;
738                         default:
739                                 break;
740                         }
741                         while (size > 0) {
742                                 size--;
743                                 if (*img++ == '\n')
744                                         break;
745                         }
746                 }
747         }
748         snd_printdd("load firmware return %d\n", err);
749         return err;
750 }
751 
752 static void
753 alloclbuspath(struct cmdif *cif, unsigned char source,
754               unsigned char *path, unsigned char *mixer, unsigned char *s)
755 {
756         while (*path != 0xff) {
757                 unsigned char sink, type;
758 
759                 sink = *path & (~SPLIT_PATH);
760                 if (sink != E2SINK_MAX) {
761                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
762                         SEND_PSEL(cif, source, sink);
763                         source = lbusin2out[sink][0];
764                         type = lbusin2out[sink][1];
765                         if (type == LS_MIXER_IN) {
766                                 if (mixer)
767                                         *mixer = sink - DIGITAL_MIXER_IN0;
768                         }
769                         if (type == LS_SRC_DECIMATORM ||
770                             type == LS_SRC_DECIMATOR ||
771                             type == LS_SRC_INTERPOLATORM ||
772                             type == LS_SRC_INTERPOLATOR) {
773                                 if (s) {
774                                         if (s[0] != 0xff)
775                                                 s[1] = sink;
776                                         else
777                                                 s[0] = sink;
778                                 }
779                         }
780                 }
781                 if (*path++ & SPLIT_PATH) {
782                         unsigned char *npath = path;
783 
784                         while (*npath != 0xff)
785                                 npath++;
786                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
787                 }
788         }
789 }
790 
791 static void
792 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
793 {
794         while (*path != 0xff) {
795                 unsigned char sink;
796 
797                 sink = *path & (~SPLIT_PATH);
798                 if (sink != E2SINK_MAX) {
799                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
800                         SEND_PCLR(cif, source, sink);
801                         source = lbusin2out[sink][0];
802                 }
803                 if (*path++ & SPLIT_PATH) {
804                         unsigned char *npath = path;
805 
806                         while (*npath != 0xff)
807                                 npath++;
808                         freelbuspath(cif, source + 1, ++npath);
809                 }
810         }
811 }
812 
813 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
814 {
815         union cmdret rptr = CMDRET_ZERO;
816         unsigned int i = MAX_WRITE_RETRY;
817         int flag = 1;
818 
819         SEND_RMEM(cif, 0x02, addr, &rptr);
820         rptr.retlongs[0] &= (~mask);
821 
822         while (--i) {
823                 SEND_SMEM(cif, 0x01, addr);
824                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
825                 SEND_RMEM(cif, 0x02, addr, &rptr);
826                 if ((rptr.retlongs[0] & data) == data) {
827                         flag = 0;
828                         break;
829                 } else
830                         rptr.retlongs[0] &= ~mask;
831         }
832         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
833                     flag);
834         return flag;
835 }
836 
837 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
838                    union cmdret *ret)
839 {
840         int i, j;
841         int err;
842         unsigned int time = 0;
843         unsigned long irqflags;
844         struct riptideport *hwport;
845         struct cmdport *cmdport = NULL;
846 
847         if (snd_BUG_ON(!cif))
848                 return -EINVAL;
849 
850         hwport = cif->hwport;
851         if (cif->errcnt > MAX_ERROR_COUNT) {
852                 if (cif->is_reset) {
853                         snd_printk(KERN_ERR
854                                    "Riptide: Too many failed cmds, reinitializing\n");
855                         if (riptide_reset(cif, NULL) == 0) {
856                                 cif->errcnt = 0;
857                                 return -EIO;
858                         }
859                 }
860                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
861                 return -EINVAL;
862         }
863         if (ret) {
864                 ret->retlongs[0] = 0;
865                 ret->retlongs[1] = 0;
866         }
867         i = 0;
868         spin_lock_irqsave(&cif->lock, irqflags);
869         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
870                 udelay(10);
871         if (i > CMDIF_TIMEOUT) {
872                 err = -EBUSY;
873                 goto errout;
874         }
875 
876         err = 0;
877         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
878                 cmdport = &(hwport->port[j % 2]);
879                 if (IS_DATF(cmdport)) { /* free pending data */
880                         READ_PORT_ULONG(cmdport->data1);
881                         READ_PORT_ULONG(cmdport->data2);
882                 }
883                 if (IS_CMDE(cmdport)) {
884                         if (flags & PARM)       /* put data */
885                                 WRITE_PORT_ULONG(cmdport->data2, parm);
886                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
887                         if ((flags & RESP) && ret) {
888                                 while (!IS_DATF(cmdport) &&
889                                        time < CMDIF_TIMEOUT) {
890                                         udelay(10);
891                                         time++;
892                                 }
893                                 if (time < CMDIF_TIMEOUT) {     /* read response */
894                                         ret->retlongs[0] =
895                                             READ_PORT_ULONG(cmdport->data1);
896                                         ret->retlongs[1] =
897                                             READ_PORT_ULONG(cmdport->data2);
898                                 } else {
899                                         err = -ENOSYS;
900                                         goto errout;
901                                 }
902                         }
903                         break;
904                 }
905                 udelay(20);
906         }
907         if (time == CMDIF_TIMEOUT) {
908                 err = -ENODATA;
909                 goto errout;
910         }
911         spin_unlock_irqrestore(&cif->lock, irqflags);
912 
913         cif->cmdcnt++;          /* update command statistics */
914         cif->cmdtime += time;
915         if (time > cif->cmdtimemax)
916                 cif->cmdtimemax = time;
917         if (time < cif->cmdtimemin)
918                 cif->cmdtimemin = time;
919         if ((cif->cmdcnt) % 1000 == 0)
920                 snd_printdd
921                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
922                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
923                      cif->cmdtimemax, cif->errcnt);
924         return 0;
925 
926       errout:
927         cif->errcnt++;
928         spin_unlock_irqrestore(&cif->lock, irqflags);
929         snd_printdd
930             ("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
931              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
932              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
933              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
934              err);
935         return err;
936 }
937 
938 static int
939 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
940 {
941         union cmdret rptr = CMDRET_ZERO;
942         int i = 0;
943 
944         snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
945         do {
946                 SEND_SDGV(cif, num, num, rval, lval);
947                 SEND_RDGV(cif, num, num, &rptr);
948                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
949                         return 0;
950         } while (i++ < MAX_WRITE_RETRY);
951         snd_printdd("sent mixer failed\n");
952         return -EIO;
953 }
954 
955 static int getpaths(struct cmdif *cif, unsigned char *o)
956 {
957         unsigned char src[E2SINK_MAX];
958         unsigned char sink[E2SINK_MAX];
959         int i, j = 0;
960 
961         for (i = 0; i < E2SINK_MAX; i++) {
962                 getsourcesink(cif, i, i, &src[i], &sink[i]);
963                 if (sink[i] < E2SINK_MAX) {
964                         o[j++] = sink[i];
965                         o[j++] = i;
966                 }
967         }
968         return j;
969 }
970 
971 static int
972 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
973               unsigned char *a, unsigned char *b)
974 {
975         union cmdret rptr = CMDRET_ZERO;
976 
977         if (SEND_RSSV(cif, source, sink, &rptr) &&
978             SEND_RSSV(cif, source, sink, &rptr))
979                 return -EIO;
980         *a = rptr.retbytes[0];
981         *b = rptr.retbytes[1];
982         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
983         return 0;
984 }
985 
986 static int
987 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
988 {
989         unsigned char *s;
990         unsigned int p[2] = { 0, 0 };
991         int i;
992         union cmdret rptr = CMDRET_ZERO;
993 
994         s = intdec;
995         for (i = 0; i < 2; i++) {
996                 if (*s != 0xff) {
997                         if (SEND_RSRC(cif, *s, &rptr) &&
998                             SEND_RSRC(cif, *s, &rptr))
999                                 return -EIO;
1000                         p[i] += rptr.retwords[1];
1001                         p[i] *= rptr.retwords[2];
1002                         p[i] += rptr.retwords[3];
1003                         p[i] /= 65536;
1004                 }
1005                 s++;
1006         }
1007         if (p[0]) {
1008                 if (p[1] != p[0])
1009                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
1010                 *rate = (unsigned int)p[0];
1011         } else
1012                 *rate = (unsigned int)p[1];
1013         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1014         return 0;
1015 }
1016 
1017 static int
1018 setsampleformat(struct cmdif *cif,
1019                 unsigned char mixer, unsigned char id,
1020                 unsigned char channels, unsigned char format)
1021 {
1022         unsigned char w, ch, sig, order;
1023 
1024         snd_printdd
1025             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1026              mixer, id, channels, format);
1027         ch = channels == 1;
1028         w = snd_pcm_format_width(format) == 8;
1029         sig = snd_pcm_format_unsigned(format) != 0;
1030         order = snd_pcm_format_big_endian(format) != 0;
1031 
1032         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1033             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1034                 snd_printdd("setsampleformat failed\n");
1035                 return -EIO;
1036         }
1037         return 0;
1038 }
1039 
1040 static int
1041 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1042 {
1043         u32 D, M, N;
1044         union cmdret rptr = CMDRET_ZERO;
1045         int i;
1046 
1047         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1048                     intdec[1], rate);
1049         D = 48000;
1050         M = ((rate == 48000) ? 47999 : rate) * 65536;
1051         N = M % D;
1052         M /= D;
1053         for (i = 0; i < 2; i++) {
1054                 if (*intdec != 0xff) {
1055                         do {
1056                                 SEND_SSRC(cif, *intdec, D, M, N);
1057                                 SEND_RSRC(cif, *intdec, &rptr);
1058                         } while (rptr.retwords[1] != D &&
1059                                  rptr.retwords[2] != M &&
1060                                  rptr.retwords[3] != N &&
1061                                  i++ < MAX_WRITE_RETRY);
1062                         if (i > MAX_WRITE_RETRY) {
1063                                 snd_printdd("sent samplerate %d: %d failed\n",
1064                                             *intdec, rate);
1065                                 return -EIO;
1066                         }
1067                 }
1068                 intdec++;
1069         }
1070         return 0;
1071 }
1072 
1073 static int
1074 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1075          unsigned short *lval)
1076 {
1077         union cmdret rptr = CMDRET_ZERO;
1078 
1079         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1080                 return -EIO;
1081         *rval = rptr.retwords[0];
1082         *lval = rptr.retwords[1];
1083         snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1084         return 0;
1085 }
1086 
1087 static void riptide_handleirq(unsigned long dev_id)
1088 {
1089         struct snd_riptide *chip = (void *)dev_id;
1090         struct cmdif *cif = chip->cif;
1091         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1092         struct snd_pcm_runtime *runtime;
1093         struct pcmhw *data = NULL;
1094         unsigned int pos, period_bytes;
1095         struct sgd *c;
1096         int i, j;
1097         unsigned int flag;
1098 
1099         if (!cif)
1100                 return;
1101 
1102         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1103                 substream[i] = chip->playback_substream[i];
1104         substream[i] = chip->capture_substream;
1105         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1106                 if (substream[i] &&
1107                     (runtime = substream[i]->runtime) &&
1108                     (data = runtime->private_data) && data->state != ST_STOP) {
1109                         pos = 0;
1110                         for (j = 0; j < data->pages; j++) {
1111                                 c = &data->sgdbuf[j];
1112                                 flag = le32_to_cpu(c->dwStat_Ctl);
1113                                 if (flag & EOB_STATUS)
1114                                         pos += le32_to_cpu(c->dwSegLen);
1115                                 if (flag & EOC_STATUS)
1116                                         pos += le32_to_cpu(c->dwSegLen);
1117                                 if ((flag & EOS_STATUS)
1118                                     && (data->state == ST_PLAY)) {
1119                                         data->state = ST_STOP;
1120                                         snd_printk(KERN_ERR
1121                                                    "Riptide: DMA stopped unexpectedly\n");
1122                                 }
1123                                 c->dwStat_Ctl =
1124                                     cpu_to_le32(flag &
1125                                                 ~(EOS_STATUS | EOB_STATUS |
1126                                                   EOC_STATUS));
1127                         }
1128                         data->pointer += pos;
1129                         pos += data->oldpos;
1130                         if (data->state != ST_STOP) {
1131                                 period_bytes =
1132                                     frames_to_bytes(runtime,
1133                                                     runtime->period_size);
1134                                 snd_printdd
1135                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1136                                      READ_AUDIO_STATUS(cif->hwport),
1137                                      bytes_to_frames(runtime, pos),
1138                                      runtime->period_size);
1139                                 j = 0;
1140                                 if (pos >= period_bytes) {
1141                                         j++;
1142                                         while (pos >= period_bytes)
1143                                                 pos -= period_bytes;
1144                                 }
1145                                 data->oldpos = pos;
1146                                 if (j > 0)
1147                                         snd_pcm_period_elapsed(substream[i]);
1148                         }
1149                 }
1150         }
1151 }
1152 
1153 #ifdef CONFIG_PM_SLEEP
1154 static int riptide_suspend(struct device *dev)
1155 {
1156         struct snd_card *card = dev_get_drvdata(dev);
1157         struct snd_riptide *chip = card->private_data;
1158 
1159         chip->in_suspend = 1;
1160         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1161         snd_pcm_suspend_all(chip->pcm);
1162         snd_ac97_suspend(chip->ac97);
1163         return 0;
1164 }
1165 
1166 static int riptide_resume(struct device *dev)
1167 {
1168         struct snd_card *card = dev_get_drvdata(dev);
1169         struct snd_riptide *chip = card->private_data;
1170 
1171         snd_riptide_initialize(chip);
1172         snd_ac97_resume(chip->ac97);
1173         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1174         chip->in_suspend = 0;
1175         return 0;
1176 }
1177 
1178 static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1179 #define RIPTIDE_PM_OPS  &riptide_pm
1180 #else
1181 #define RIPTIDE_PM_OPS  NULL
1182 #endif /* CONFIG_PM_SLEEP */
1183 
1184 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1185 {
1186         union firmware_version firmware = { .ret = CMDRET_ZERO };
1187         int i, timeout, err;
1188 
1189         for (i = 0; i < 2; i++) {
1190                 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1191                 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1192         }
1193         SET_GRESET(cif->hwport);
1194         udelay(100);
1195         UNSET_GRESET(cif->hwport);
1196         udelay(100);
1197 
1198         for (timeout = 100000; --timeout; udelay(10)) {
1199                 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1200                         break;
1201         }
1202         if (!timeout) {
1203                 snd_printk(KERN_ERR
1204                            "Riptide: device not ready, audio status: 0x%x "
1205                            "ready: %d gerr: %d\n",
1206                            READ_AUDIO_STATUS(cif->hwport),
1207                            IS_READY(cif->hwport), IS_GERR(cif->hwport));
1208                 return -EIO;
1209         } else {
1210                 snd_printdd
1211                         ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1212                          READ_AUDIO_STATUS(cif->hwport),
1213                          IS_READY(cif->hwport), IS_GERR(cif->hwport));
1214         }
1215 
1216         SEND_GETV(cif, &firmware.ret);
1217         snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1218                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1219                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1220 
1221         if (!chip)
1222                 return 1;
1223 
1224         for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1225                 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1226                         return 1; /* OK */
1227 
1228         }
1229 
1230         snd_printdd("Writing Firmware\n");
1231         if (!chip->fw_entry) {
1232                 err = request_firmware(&chip->fw_entry, "riptide.hex",
1233                                        &chip->pci->dev);
1234                 if (err) {
1235                         snd_printk(KERN_ERR
1236                                    "Riptide: Firmware not available %d\n", err);
1237                         return -EIO;
1238                 }
1239         }
1240         err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1241         if (err) {
1242                 snd_printk(KERN_ERR
1243                            "Riptide: Could not load firmware %d\n", err);
1244                 return err;
1245         }
1246 
1247         chip->firmware = firmware;
1248 
1249         return 1; /* OK */
1250 }
1251 
1252 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1253 {
1254         union cmdret rptr = CMDRET_ZERO;
1255         int err, tries;
1256 
1257         if (!cif)
1258                 return -EINVAL;
1259 
1260         cif->cmdcnt = 0;
1261         cif->cmdtime = 0;
1262         cif->cmdtimemax = 0;
1263         cif->cmdtimemin = 0xffffffff;
1264         cif->errcnt = 0;
1265         cif->is_reset = 0;
1266 
1267         tries = RESET_TRIES;
1268         do {
1269                 err = try_to_load_firmware(cif, chip);
1270                 if (err < 0)
1271                         return err;
1272         } while (!err && --tries);
1273 
1274         SEND_SACR(cif, 0, AC97_RESET);
1275         SEND_RACR(cif, AC97_RESET, &rptr);
1276         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1277 
1278         SEND_PLST(cif, 0);
1279         SEND_SLST(cif, 0);
1280         SEND_DLST(cif, 0);
1281         SEND_ALST(cif, 0);
1282         SEND_KDMA(cif);
1283 
1284         writearm(cif, 0x301F8, 1, 1);
1285         writearm(cif, 0x301F4, 1, 1);
1286 
1287         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1288                   MODEM_SPLITTER, MODEM_MIXER);
1289         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1290         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1291 
1292         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1293                   FM_MIXER);
1294         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1295         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1296         writearm(cif, 0x301A8, 0x02, 0x00000002);
1297         writearm(cif, 0x30264, 0x08, 0xffffffff);
1298         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1299 
1300         SEND_SSRC(cif, I2S_INTDEC, 48000,
1301                   ((u32) I2S_RATE * 65536) / 48000,
1302                   ((u32) I2S_RATE * 65536) % 48000);
1303         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1304                   I2S_MIXER);
1305         SEND_SI2S(cif, 1);
1306         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1307         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1308         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1309 
1310         SET_AIACK(cif->hwport);
1311         SET_AIE(cif->hwport);
1312         SET_AIACK(cif->hwport);
1313         cif->is_reset = 1;
1314 
1315         return 0;
1316 }
1317 
1318 static struct snd_pcm_hardware snd_riptide_playback = {
1319         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1320                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1321                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1322         .formats =
1323             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1324             | SNDRV_PCM_FMTBIT_U16_LE,
1325         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1326         .rate_min = 5500,
1327         .rate_max = 48000,
1328         .channels_min = 1,
1329         .channels_max = 2,
1330         .buffer_bytes_max = (64 * 1024),
1331         .period_bytes_min = PAGE_SIZE >> 1,
1332         .period_bytes_max = PAGE_SIZE << 8,
1333         .periods_min = 2,
1334         .periods_max = 64,
1335         .fifo_size = 0,
1336 };
1337 static struct snd_pcm_hardware snd_riptide_capture = {
1338         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1339                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1340                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1341         .formats =
1342             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1343             | SNDRV_PCM_FMTBIT_U16_LE,
1344         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1345         .rate_min = 5500,
1346         .rate_max = 48000,
1347         .channels_min = 1,
1348         .channels_max = 2,
1349         .buffer_bytes_max = (64 * 1024),
1350         .period_bytes_min = PAGE_SIZE >> 1,
1351         .period_bytes_max = PAGE_SIZE << 3,
1352         .periods_min = 2,
1353         .periods_max = 64,
1354         .fifo_size = 0,
1355 };
1356 
1357 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1358                                              *substream)
1359 {
1360         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1361         struct snd_pcm_runtime *runtime = substream->runtime;
1362         struct pcmhw *data = get_pcmhwdev(substream);
1363         struct cmdif *cif = chip->cif;
1364         union cmdret rptr = CMDRET_ZERO;
1365         snd_pcm_uframes_t ret;
1366 
1367         SEND_GPOS(cif, 0, data->id, &rptr);
1368         if (data->size && runtime->period_size) {
1369                 snd_printdd
1370                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1371                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1372                      bytes_to_frames(runtime, rptr.retlongs[1]),
1373                      bytes_to_frames(runtime,
1374                                      rptr.retlongs[1]) % runtime->period_size);
1375                 if (rptr.retlongs[1] > data->pointer)
1376                         ret =
1377                             bytes_to_frames(runtime,
1378                                             rptr.retlongs[1] % data->size);
1379                 else
1380                         ret =
1381                             bytes_to_frames(runtime,
1382                                             data->pointer % data->size);
1383         } else {
1384                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1385                             data->size, runtime->period_size);
1386                 ret = bytes_to_frames(runtime, 0);
1387         }
1388         return ret;
1389 }
1390 
1391 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1392 {
1393         int i, j;
1394         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1395         struct pcmhw *data = get_pcmhwdev(substream);
1396         struct cmdif *cif = chip->cif;
1397         union cmdret rptr = CMDRET_ZERO;
1398 
1399         spin_lock(&chip->lock);
1400         switch (cmd) {
1401         case SNDRV_PCM_TRIGGER_START:
1402         case SNDRV_PCM_TRIGGER_RESUME:
1403                 if (!(data->state & ST_PLAY)) {
1404                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1405                         SET_AIE(cif->hwport);
1406                         data->state = ST_PLAY;
1407                         if (data->mixer != 0xff)
1408                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1409                         chip->openstreams++;
1410                         data->oldpos = 0;
1411                         data->pointer = 0;
1412                 }
1413                 break;
1414         case SNDRV_PCM_TRIGGER_STOP:
1415         case SNDRV_PCM_TRIGGER_SUSPEND:
1416                 if (data->mixer != 0xff)
1417                         setmixer(cif, data->mixer, 0, 0);
1418                 setmixer(cif, data->mixer, 0, 0);
1419                 SEND_KSTR(cif, data->id);
1420                 data->state = ST_STOP;
1421                 chip->openstreams--;
1422                 j = 0;
1423                 do {
1424                         i = rptr.retlongs[1];
1425                         SEND_GPOS(cif, 0, data->id, &rptr);
1426                         udelay(1);
1427                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1428                 if (j > MAX_WRITE_RETRY)
1429                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1430                 break;
1431         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1432                 if (!(data->state & ST_PAUSE)) {
1433                         SEND_PSTR(cif, data->id);
1434                         data->state |= ST_PAUSE;
1435                         chip->openstreams--;
1436                 }
1437                 break;
1438         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1439                 if (data->state & ST_PAUSE) {
1440                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1441                         data->state &= ~ST_PAUSE;
1442                         chip->openstreams++;
1443                 }
1444                 break;
1445         default:
1446                 spin_unlock(&chip->lock);
1447                 return -EINVAL;
1448         }
1449         spin_unlock(&chip->lock);
1450         return 0;
1451 }
1452 
1453 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1454 {
1455         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1456         struct snd_pcm_runtime *runtime = substream->runtime;
1457         struct pcmhw *data = get_pcmhwdev(substream);
1458         struct cmdif *cif = chip->cif;
1459         unsigned char *lbuspath = NULL;
1460         unsigned int rate, channels;
1461         int err = 0;
1462         snd_pcm_format_t format;
1463 
1464         if (snd_BUG_ON(!cif || !data))
1465                 return -EINVAL;
1466 
1467         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1468                     runtime->channels, runtime->format, runtime->rate);
1469 
1470         spin_lock_irq(&chip->lock);
1471         channels = runtime->channels;
1472         format = runtime->format;
1473         rate = runtime->rate;
1474         switch (channels) {
1475         case 1:
1476                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1477                         lbuspath = data->paths.noconv;
1478                 else
1479                         lbuspath = data->paths.mono;
1480                 break;
1481         case 2:
1482                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1483                         lbuspath = data->paths.noconv;
1484                 else
1485                         lbuspath = data->paths.stereo;
1486                 break;
1487         }
1488         snd_printdd("use sgdlist at 0x%p\n",
1489                     data->sgdlist.area);
1490         if (data->sgdlist.area) {
1491                 unsigned int i, j, size, pages, f, pt, period;
1492                 struct sgd *c, *p = NULL;
1493 
1494                 size = frames_to_bytes(runtime, runtime->buffer_size);
1495                 period = frames_to_bytes(runtime, runtime->period_size);
1496                 f = PAGE_SIZE;
1497                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1498                         f = f >> 1;
1499                 pages = (size + f - 1) / f;
1500                 data->size = size;
1501                 data->pages = pages;
1502                 snd_printdd
1503                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1504                      size, pages, f, period);
1505                 pt = 0;
1506                 j = 0;
1507                 for (i = 0; i < pages; i++) {
1508                         unsigned int ofs, addr;
1509                         c = &data->sgdbuf[i];
1510                         if (p)
1511                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1512                                                             (i *
1513                                                              sizeof(struct
1514                                                                     sgd)));
1515                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1516                         ofs = j << PAGE_SHIFT;
1517                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1518                         c->dwSegPtrPhys = cpu_to_le32(addr);
1519                         pt = (pt + f) % PAGE_SIZE;
1520                         if (pt == 0)
1521                                 j++;
1522                         c->dwSegLen = cpu_to_le32(f);
1523                         c->dwStat_Ctl =
1524                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1525                                         IEOC_ENABLE);
1526                         p = c;
1527                         size -= f;
1528                 }
1529                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1530         }
1531         if (lbuspath && lbuspath != data->lbuspath) {
1532                 if (data->lbuspath)
1533                         freelbuspath(cif, data->source, data->lbuspath);
1534                 alloclbuspath(cif, data->source, lbuspath,
1535                               &data->mixer, data->intdec);
1536                 data->lbuspath = lbuspath;
1537                 data->rate = 0;
1538         }
1539         if (data->rate != rate || data->format != format ||
1540             data->channels != channels) {
1541                 data->rate = rate;
1542                 data->format = format;
1543                 data->channels = channels;
1544                 if (setsampleformat
1545                     (cif, data->mixer, data->id, channels, format)
1546                     || setsamplerate(cif, data->intdec, rate))
1547                         err = -EIO;
1548         }
1549         spin_unlock_irq(&chip->lock);
1550         return err;
1551 }
1552 
1553 static int
1554 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1555                       struct snd_pcm_hw_params *hw_params)
1556 {
1557         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1558         struct pcmhw *data = get_pcmhwdev(substream);
1559         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1560         int err;
1561 
1562         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1563                     sgdlist->area, (unsigned long)sgdlist->addr,
1564                     (int)sgdlist->bytes);
1565         if (sgdlist->area)
1566                 snd_dma_free_pages(sgdlist);
1567         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1568                                        snd_dma_pci_data(chip->pci),
1569                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1570                                        sgdlist)) < 0) {
1571                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1572                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1573                 return err;
1574         }
1575         data->sgdbuf = (struct sgd *)sgdlist->area;
1576         return snd_pcm_lib_malloc_pages(substream,
1577                                         params_buffer_bytes(hw_params));
1578 }
1579 
1580 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1581 {
1582         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1583         struct pcmhw *data = get_pcmhwdev(substream);
1584         struct cmdif *cif = chip->cif;
1585 
1586         if (cif && data) {
1587                 if (data->lbuspath)
1588                         freelbuspath(cif, data->source, data->lbuspath);
1589                 data->lbuspath = NULL;
1590                 data->source = 0xff;
1591                 data->intdec[0] = 0xff;
1592                 data->intdec[1] = 0xff;
1593 
1594                 if (data->sgdlist.area) {
1595                         snd_dma_free_pages(&data->sgdlist);
1596                         data->sgdlist.area = NULL;
1597                 }
1598         }
1599         return snd_pcm_lib_free_pages(substream);
1600 }
1601 
1602 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1603 {
1604         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1605         struct snd_pcm_runtime *runtime = substream->runtime;
1606         struct pcmhw *data;
1607         int sub_num = substream->number;
1608 
1609         chip->playback_substream[sub_num] = substream;
1610         runtime->hw = snd_riptide_playback;
1611 
1612         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1613         if (data == NULL)
1614                 return -ENOMEM;
1615         data->paths = lbus_play_paths[sub_num];
1616         data->id = play_ids[sub_num];
1617         data->source = play_sources[sub_num];
1618         data->intdec[0] = 0xff;
1619         data->intdec[1] = 0xff;
1620         data->state = ST_STOP;
1621         runtime->private_data = data;
1622         return snd_pcm_hw_constraint_integer(runtime,
1623                                              SNDRV_PCM_HW_PARAM_PERIODS);
1624 }
1625 
1626 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1627 {
1628         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1629         struct snd_pcm_runtime *runtime = substream->runtime;
1630         struct pcmhw *data;
1631 
1632         chip->capture_substream = substream;
1633         runtime->hw = snd_riptide_capture;
1634 
1635         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1636         if (data == NULL)
1637                 return -ENOMEM;
1638         data->paths = lbus_rec_path;
1639         data->id = PADC;
1640         data->source = ACLNK2PADC;
1641         data->intdec[0] = 0xff;
1642         data->intdec[1] = 0xff;
1643         data->state = ST_STOP;
1644         runtime->private_data = data;
1645         return snd_pcm_hw_constraint_integer(runtime,
1646                                              SNDRV_PCM_HW_PARAM_PERIODS);
1647 }
1648 
1649 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1650 {
1651         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1652         struct pcmhw *data = get_pcmhwdev(substream);
1653         int sub_num = substream->number;
1654 
1655         substream->runtime->private_data = NULL;
1656         chip->playback_substream[sub_num] = NULL;
1657         kfree(data);
1658         return 0;
1659 }
1660 
1661 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1662 {
1663         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1664         struct pcmhw *data = get_pcmhwdev(substream);
1665 
1666         substream->runtime->private_data = NULL;
1667         chip->capture_substream = NULL;
1668         kfree(data);
1669         return 0;
1670 }
1671 
1672 static struct snd_pcm_ops snd_riptide_playback_ops = {
1673         .open = snd_riptide_playback_open,
1674         .close = snd_riptide_playback_close,
1675         .ioctl = snd_pcm_lib_ioctl,
1676         .hw_params = snd_riptide_hw_params,
1677         .hw_free = snd_riptide_hw_free,
1678         .prepare = snd_riptide_prepare,
1679         .page = snd_pcm_sgbuf_ops_page,
1680         .trigger = snd_riptide_trigger,
1681         .pointer = snd_riptide_pointer,
1682 };
1683 static struct snd_pcm_ops snd_riptide_capture_ops = {
1684         .open = snd_riptide_capture_open,
1685         .close = snd_riptide_capture_close,
1686         .ioctl = snd_pcm_lib_ioctl,
1687         .hw_params = snd_riptide_hw_params,
1688         .hw_free = snd_riptide_hw_free,
1689         .prepare = snd_riptide_prepare,
1690         .page = snd_pcm_sgbuf_ops_page,
1691         .trigger = snd_riptide_trigger,
1692         .pointer = snd_riptide_pointer,
1693 };
1694 
1695 static int snd_riptide_pcm(struct snd_riptide *chip, int device)
1696 {
1697         struct snd_pcm *pcm;
1698         int err;
1699 
1700         if ((err =
1701              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1702                          &pcm)) < 0)
1703                 return err;
1704         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1705                         &snd_riptide_playback_ops);
1706         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1707                         &snd_riptide_capture_ops);
1708         pcm->private_data = chip;
1709         pcm->info_flags = 0;
1710         strcpy(pcm->name, "RIPTIDE");
1711         chip->pcm = pcm;
1712         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1713                                               snd_dma_pci_data(chip->pci),
1714                                               64 * 1024, 128 * 1024);
1715         return 0;
1716 }
1717 
1718 static irqreturn_t
1719 snd_riptide_interrupt(int irq, void *dev_id)
1720 {
1721         struct snd_riptide *chip = dev_id;
1722         struct cmdif *cif = chip->cif;
1723 
1724         if (cif) {
1725                 chip->received_irqs++;
1726                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1727                     IS_EOCIRQ(cif->hwport)) {
1728                         chip->handled_irqs++;
1729                         tasklet_schedule(&chip->riptide_tq);
1730                 }
1731                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1732                         chip->handled_irqs++;
1733                         snd_mpu401_uart_interrupt(irq,
1734                                                   chip->rmidi->private_data);
1735                 }
1736                 SET_AIACK(cif->hwport);
1737         }
1738         return IRQ_HANDLED;
1739 }
1740 
1741 static void
1742 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1743                         unsigned short val)
1744 {
1745         struct snd_riptide *chip = ac97->private_data;
1746         struct cmdif *cif = chip->cif;
1747         union cmdret rptr = CMDRET_ZERO;
1748         int i = 0;
1749 
1750         if (snd_BUG_ON(!cif))
1751                 return;
1752 
1753         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1754         do {
1755                 SEND_SACR(cif, val, reg);
1756                 SEND_RACR(cif, reg, &rptr);
1757         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1758         if (i > MAX_WRITE_RETRY)
1759                 snd_printdd("Write AC97 reg failed\n");
1760 }
1761 
1762 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1763                                              unsigned short reg)
1764 {
1765         struct snd_riptide *chip = ac97->private_data;
1766         struct cmdif *cif = chip->cif;
1767         union cmdret rptr = CMDRET_ZERO;
1768 
1769         if (snd_BUG_ON(!cif))
1770                 return 0;
1771 
1772         if (SEND_RACR(cif, reg, &rptr) != 0)
1773                 SEND_RACR(cif, reg, &rptr);
1774         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1775         return rptr.retwords[1];
1776 }
1777 
1778 static int snd_riptide_initialize(struct snd_riptide *chip)
1779 {
1780         struct cmdif *cif;
1781         unsigned int device_id;
1782         int err;
1783 
1784         if (snd_BUG_ON(!chip))
1785                 return -EINVAL;
1786 
1787         cif = chip->cif;
1788         if (!cif) {
1789                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1790                         return -ENOMEM;
1791                 cif->hwport = (struct riptideport *)chip->port;
1792                 spin_lock_init(&cif->lock);
1793                 chip->cif = cif;
1794         }
1795         cif->is_reset = 0;
1796         if ((err = riptide_reset(cif, chip)) != 0)
1797                 return err;
1798         device_id = chip->device_id;
1799         switch (device_id) {
1800         case 0x4310:
1801         case 0x4320:
1802         case 0x4330:
1803                 snd_printdd("Modem enable?\n");
1804                 SEND_SETDPLL(cif);
1805                 break;
1806         }
1807         snd_printdd("Enabling MPU IRQs\n");
1808         if (chip->rmidi)
1809                 SET_EMPUIRQ(cif->hwport);
1810         return err;
1811 }
1812 
1813 static int snd_riptide_free(struct snd_riptide *chip)
1814 {
1815         struct cmdif *cif;
1816 
1817         if (!chip)
1818                 return 0;
1819 
1820         if ((cif = chip->cif)) {
1821                 SET_GRESET(cif->hwport);
1822                 udelay(100);
1823                 UNSET_GRESET(cif->hwport);
1824                 kfree(chip->cif);
1825         }
1826         if (chip->irq >= 0)
1827                 free_irq(chip->irq, chip);
1828         release_firmware(chip->fw_entry);
1829         release_and_free_resource(chip->res_port);
1830         kfree(chip);
1831         return 0;
1832 }
1833 
1834 static int snd_riptide_dev_free(struct snd_device *device)
1835 {
1836         struct snd_riptide *chip = device->device_data;
1837 
1838         return snd_riptide_free(chip);
1839 }
1840 
1841 static int
1842 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1843                    struct snd_riptide **rchip)
1844 {
1845         struct snd_riptide *chip;
1846         struct riptideport *hwport;
1847         int err;
1848         static struct snd_device_ops ops = {
1849                 .dev_free = snd_riptide_dev_free,
1850         };
1851 
1852         *rchip = NULL;
1853         if ((err = pci_enable_device(pci)) < 0)
1854                 return err;
1855         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1856                 return -ENOMEM;
1857 
1858         spin_lock_init(&chip->lock);
1859         chip->card = card;
1860         chip->pci = pci;
1861         chip->irq = -1;
1862         chip->openstreams = 0;
1863         chip->port = pci_resource_start(pci, 0);
1864         chip->received_irqs = 0;
1865         chip->handled_irqs = 0;
1866         chip->cif = NULL;
1867         tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1868 
1869         if ((chip->res_port =
1870              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1871                 snd_printk(KERN_ERR
1872                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1873                            chip->port, chip->port + 64 - 1);
1874                 snd_riptide_free(chip);
1875                 return -EBUSY;
1876         }
1877         hwport = (struct riptideport *)chip->port;
1878         UNSET_AIE(hwport);
1879 
1880         if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1881                         KBUILD_MODNAME, chip)) {
1882                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1883                            pci->irq);
1884                 snd_riptide_free(chip);
1885                 return -EBUSY;
1886         }
1887         chip->irq = pci->irq;
1888         chip->device_id = pci->device;
1889         pci_set_master(pci);
1890         if ((err = snd_riptide_initialize(chip)) < 0) {
1891                 snd_riptide_free(chip);
1892                 return err;
1893         }
1894 
1895         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1896                 snd_riptide_free(chip);
1897                 return err;
1898         }
1899 
1900         *rchip = chip;
1901         return 0;
1902 }
1903 
1904 static void
1905 snd_riptide_proc_read(struct snd_info_entry *entry,
1906                       struct snd_info_buffer *buffer)
1907 {
1908         struct snd_riptide *chip = entry->private_data;
1909         struct pcmhw *data;
1910         int i;
1911         struct cmdif *cif = NULL;
1912         unsigned char p[256];
1913         unsigned short rval = 0, lval = 0;
1914         unsigned int rate;
1915 
1916         if (!chip)
1917                 return;
1918 
1919         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1920         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1921                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1922         for (i = 0; i < 64; i += 4)
1923                 snd_iprintf(buffer, "%c%02x: %08x",
1924                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1925         if ((cif = chip->cif)) {
1926                 snd_iprintf(buffer,
1927                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1928                             chip->firmware.firmware.ASIC,
1929                             chip->firmware.firmware.CODEC,
1930                             chip->firmware.firmware.AUXDSP,
1931                             chip->firmware.firmware.PROG);
1932                 snd_iprintf(buffer, "\nDigital mixer:");
1933                 for (i = 0; i < 12; i++) {
1934                         getmixer(cif, i, &rval, &lval);
1935                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1936                 }
1937                 snd_iprintf(buffer,
1938                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1939                             cif->cmdcnt, cif->errcnt,
1940                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1941         }
1942         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1943         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1944                 if (chip->playback_substream[i]
1945                     && chip->playback_substream[i]->runtime
1946                     && (data =
1947                         chip->playback_substream[i]->runtime->private_data)) {
1948                         snd_iprintf(buffer,
1949                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1950                                     data->id, data->mixer, data->source,
1951                                     data->intdec[0], data->intdec[1]);
1952                         if (!(getsamplerate(cif, data->intdec, &rate)))
1953                                 snd_iprintf(buffer, "rate: %d\n", rate);
1954                 }
1955         }
1956         if (chip->capture_substream
1957             && chip->capture_substream->runtime
1958             && (data = chip->capture_substream->runtime->private_data)) {
1959                 snd_iprintf(buffer,
1960                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1961                             data->id, data->mixer,
1962                             data->source, data->intdec[0], data->intdec[1]);
1963                 if (!(getsamplerate(cif, data->intdec, &rate)))
1964                         snd_iprintf(buffer, "rate: %d\n", rate);
1965         }
1966         snd_iprintf(buffer, "Paths:\n");
1967         i = getpaths(cif, p);
1968         while (i >= 2) {
1969                 i -= 2;
1970                 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1971         }
1972         snd_iprintf(buffer, "\n");
1973 }
1974 
1975 static void snd_riptide_proc_init(struct snd_riptide *chip)
1976 {
1977         struct snd_info_entry *entry;
1978 
1979         if (!snd_card_proc_new(chip->card, "riptide", &entry))
1980                 snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
1981 }
1982 
1983 static int snd_riptide_mixer(struct snd_riptide *chip)
1984 {
1985         struct snd_ac97_bus *pbus;
1986         struct snd_ac97_template ac97;
1987         int err = 0;
1988         static struct snd_ac97_bus_ops ops = {
1989                 .write = snd_riptide_codec_write,
1990                 .read = snd_riptide_codec_read,
1991         };
1992 
1993         memset(&ac97, 0, sizeof(ac97));
1994         ac97.private_data = chip;
1995         ac97.scaps = AC97_SCAP_SKIP_MODEM;
1996 
1997         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
1998                 return err;
1999 
2000         chip->ac97_bus = pbus;
2001         ac97.pci = chip->pci;
2002         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2003                 return err;
2004         return err;
2005 }
2006 
2007 #ifdef SUPPORT_JOYSTICK
2008 
2009 static int
2010 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2011 {
2012         static int dev;
2013         struct gameport *gameport;
2014         int ret;
2015 
2016         if (dev >= SNDRV_CARDS)
2017                 return -ENODEV;
2018 
2019         if (!enable[dev]) {
2020                 ret = -ENOENT;
2021                 goto inc_dev;
2022         }
2023 
2024         if (!joystick_port[dev]) {
2025                 ret = 0;
2026                 goto inc_dev;
2027         }
2028 
2029         gameport = gameport_allocate_port();
2030         if (!gameport) {
2031                 ret = -ENOMEM;
2032                 goto inc_dev;
2033         }
2034         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2035                 snd_printk(KERN_WARNING
2036                            "Riptide: cannot grab gameport 0x%x\n",
2037                            joystick_port[dev]);
2038                 gameport_free_port(gameport);
2039                 ret = -EBUSY;
2040                 goto inc_dev;
2041         }
2042 
2043         gameport->io = joystick_port[dev];
2044         gameport_register_port(gameport);
2045         pci_set_drvdata(pci, gameport);
2046 
2047         ret = 0;
2048 inc_dev:
2049         dev++;
2050         return ret;
2051 }
2052 
2053 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2054 {
2055         struct gameport *gameport = pci_get_drvdata(pci);
2056         if (gameport) {
2057                 release_region(gameport->io, 8);
2058                 gameport_unregister_port(gameport);
2059         }
2060 }
2061 #endif
2062 
2063 static int
2064 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2065 {
2066         static int dev;
2067         struct snd_card *card;
2068         struct snd_riptide *chip;
2069         unsigned short val;
2070         int err;
2071 
2072         if (dev >= SNDRV_CARDS)
2073                 return -ENODEV;
2074         if (!enable[dev]) {
2075                 dev++;
2076                 return -ENOENT;
2077         }
2078 
2079         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2080                            0, &card);
2081         if (err < 0)
2082                 return err;
2083         err = snd_riptide_create(card, pci, &chip);
2084         if (err < 0)
2085                 goto error;
2086         card->private_data = chip;
2087         err = snd_riptide_pcm(chip, 0);
2088         if (err < 0)
2089                 goto error;
2090         err = snd_riptide_mixer(chip);
2091         if (err < 0)
2092                 goto error;
2093 
2094         val = LEGACY_ENABLE_ALL;
2095         if (opl3_port[dev])
2096                 val |= LEGACY_ENABLE_FM;
2097 #ifdef SUPPORT_JOYSTICK
2098         if (joystick_port[dev])
2099                 val |= LEGACY_ENABLE_GAMEPORT;
2100 #endif
2101         if (mpu_port[dev])
2102                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2103         val |= (chip->irq << 4) & 0xf0;
2104         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2105         if (mpu_port[dev]) {
2106                 val = mpu_port[dev];
2107                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2108                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2109                                           val, MPU401_INFO_IRQ_HOOK, -1,
2110                                           &chip->rmidi);
2111                 if (err < 0)
2112                         snd_printk(KERN_WARNING
2113                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2114                                    val);
2115                 else
2116                         chip->mpuaddr = val;
2117         }
2118         if (opl3_port[dev]) {
2119                 val = opl3_port[dev];
2120                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2121                 err = snd_opl3_create(card, val, val + 2,
2122                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2123                 if (err < 0)
2124                         snd_printk(KERN_WARNING
2125                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2126                                    val);
2127                 else {
2128                         chip->opladdr = val;
2129                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2130                         if (err < 0)
2131                                 snd_printk(KERN_WARNING
2132                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2133                 }
2134         }
2135 #ifdef SUPPORT_JOYSTICK
2136         if (joystick_port[dev]) {
2137                 val = joystick_port[dev];
2138                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2139                 chip->gameaddr = val;
2140         }
2141 #endif
2142 
2143         strcpy(card->driver, "RIPTIDE");
2144         strcpy(card->shortname, "Riptide");
2145 #ifdef SUPPORT_JOYSTICK
2146         snprintf(card->longname, sizeof(card->longname),
2147                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2148                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2149                  chip->opladdr, chip->gameaddr);
2150 #else
2151         snprintf(card->longname, sizeof(card->longname),
2152                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2153                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2154                  chip->opladdr);
2155 #endif
2156         snd_riptide_proc_init(chip);
2157         err = snd_card_register(card);
2158         if (err < 0)
2159                 goto error;
2160         pci_set_drvdata(pci, card);
2161         dev++;
2162         return 0;
2163 
2164  error:
2165         snd_card_free(card);
2166         return err;
2167 }
2168 
2169 static void snd_card_riptide_remove(struct pci_dev *pci)
2170 {
2171         snd_card_free(pci_get_drvdata(pci));
2172 }
2173 
2174 static struct pci_driver driver = {
2175         .name = KBUILD_MODNAME,
2176         .id_table = snd_riptide_ids,
2177         .probe = snd_card_riptide_probe,
2178         .remove = snd_card_riptide_remove,
2179         .driver = {
2180                 .pm = RIPTIDE_PM_OPS,
2181         },
2182 };
2183 
2184 #ifdef SUPPORT_JOYSTICK
2185 static struct pci_driver joystick_driver = {
2186         .name = KBUILD_MODNAME "-joystick",
2187         .id_table = snd_riptide_joystick_ids,
2188         .probe = snd_riptide_joystick_probe,
2189         .remove = snd_riptide_joystick_remove,
2190 };
2191 #endif
2192 
2193 static int __init alsa_card_riptide_init(void)
2194 {
2195         int err;
2196         err = pci_register_driver(&driver);
2197         if (err < 0)
2198                 return err;
2199 #if defined(SUPPORT_JOYSTICK)
2200         err = pci_register_driver(&joystick_driver);
2201         /* On failure unregister formerly registered audio driver */
2202         if (err < 0)
2203                 pci_unregister_driver(&driver);
2204 #endif
2205         return err;
2206 }
2207 
2208 static void __exit alsa_card_riptide_exit(void)
2209 {
2210         pci_unregister_driver(&driver);
2211 #if defined(SUPPORT_JOYSTICK)
2212         pci_unregister_driver(&joystick_driver);
2213 #endif
2214 }
2215 
2216 module_init(alsa_card_riptide_init);
2217 module_exit(alsa_card_riptide_exit);
2218 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us